From a6e36dbe301e72a68fbabdb7355575fab0a636dc Mon Sep 17 00:00:00 2001
From: DH <dh.rpcs3@gmail.com>
Date: Wed, 9 Apr 2025 06:11:03 +0300
Subject: [PATCH] file: add write_pending_file utility

---
 rpcs3/util/File.h | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/rpcs3/util/File.h b/rpcs3/util/File.h
index 1a63d4eb9..d768a27ee 100644
--- a/rpcs3/util/File.h
+++ b/rpcs3/util/File.h
@@ -930,6 +930,35 @@ namespace fs
 		return false;
 	}
 
+	template <bool Flush = false, typename... Args>
+	bool write_pending_file(const std::string& path, const Args&... args)
+	{
+		// Always use write flag, remove read flag
+		if (fs::pending_file pending{path}; pending.file)
+		{
+			if constexpr (sizeof...(args) == 2u && (std::is_pointer_v<Args> || ...))
+			{
+				// Specialization for [const void*, usz] args
+				pending.file.write(args...);
+			}
+			else
+			{
+				// Write args sequentially
+				(pending.file.write(args), ...);
+			}
+
+			if constexpr (Flush)
+			{
+				pending.file.sync();
+			}
+
+			pending.commit();
+			return true;
+		}
+
+		return false;
+	}
+
 	file make_gather(std::vector<file>);
 
 	stx::generator<dir_entry&> list_dir_recursively(const std::string& path);